{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:SUDUBHXJQWWDE3XQAHYRKPXKO6","short_pith_number":"pith:SUDUBHXJ","canonical_record":{"source":{"id":"2607.21021","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2026-07-23T08:05:29Z","cross_cats_sorted":[],"title_canon_sha256":"2c9d1a70dc2fcff64d211b6dc1885b54b5599246cdbf6a2baa45a245db355264","abstract_canon_sha256":"b3540e89bfd463a959d01649f13ab9764804d5f2c76316b453a832deb58202cd"},"schema_version":"1.0"},"canonical_sha256":"9507409ee985ac326ef001f1153eea77acf14fce6a3757f291b53103c07cde8d","source":{"kind":"arxiv","id":"2607.21021","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.21021","created_at":"2026-07-24T01:23:47Z"},{"alias_kind":"arxiv_version","alias_value":"2607.21021v1","created_at":"2026-07-24T01:23:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.21021","created_at":"2026-07-24T01:23:47Z"},{"alias_kind":"pith_short_12","alias_value":"SUDUBHXJQWWD","created_at":"2026-07-24T01:23:47Z"},{"alias_kind":"pith_short_16","alias_value":"SUDUBHXJQWWDE3XQ","created_at":"2026-07-24T01:23:47Z"},{"alias_kind":"pith_short_8","alias_value":"SUDUBHXJ","created_at":"2026-07-24T01:23:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:SUDUBHXJQWWDE3XQAHYRKPXKO6","target":"record","payload":{"canonical_record":{"source":{"id":"2607.21021","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2026-07-23T08:05:29Z","cross_cats_sorted":[],"title_canon_sha256":"2c9d1a70dc2fcff64d211b6dc1885b54b5599246cdbf6a2baa45a245db355264","abstract_canon_sha256":"b3540e89bfd463a959d01649f13ab9764804d5f2c76316b453a832deb58202cd"},"schema_version":"1.0"},"canonical_sha256":"9507409ee985ac326ef001f1153eea77acf14fce6a3757f291b53103c07cde8d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-24T01:23:47.750707Z","signature_b64":"oUvPAjaTe6X6+xGfEfB6g6Tw6MUmFQ/8tYYemO3O13+SgaReak8CwKJDw0WlE0c6aMhiJlenRQcSDgbAeyTgAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9507409ee985ac326ef001f1153eea77acf14fce6a3757f291b53103c07cde8d","last_reissued_at":"2026-07-24T01:23:47.749866Z","signature_status":"signed_v1","first_computed_at":"2026-07-24T01:23:47.749866Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.21021","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-24T01:23:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4KBzl6csKMpDpZGALlI0R7W1elEowqE8U0mGYYcGEMwuiRh20b1WBSBQJrl1IqeAGRP0PDanDBk57+WVjZbcDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T02:53:47.768990Z"},"content_sha256":"b20be4b9a0f4041222d3747b90db92b7973b3e198128f3c80c3e027af0e2bab9","schema_version":"1.0","event_id":"sha256:b20be4b9a0f4041222d3747b90db92b7973b3e198128f3c80c3e027af0e2bab9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:SUDUBHXJQWWDE3XQAHYRKPXKO6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multimmit: Extending Blocks for Faster Finality","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.DC","authors_text":"Andrew Lewis-Pye, Patrick O'Grady","submitted_at":"2026-07-23T08:05:29Z","abstract_excerpt":"To meet the throughput demands of modern blockchain systems, protocols for State Machine Replication (SMR) increasingly have many processors disseminate blocks of transactions in parallel, with consensus then establishing a total ordering on the blocks of all producers. Such designs face a choice as to when a block may enter the ordering. Certified approaches wait for a quorum to attest a block's availability, which is robust but adds message delays to every transaction. Uncertified approaches let proposals reference blocks immediately, which is fast but degrades rapidly when referenced data m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.21021","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2607.21021/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-24T01:23:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"swsERnZDRHnPGWhsSk/QHFtw2GaPGgKziuVSX7VEB64MVd351GXTL7F96YL2Wx2CXSZ7Jd46jdosCZ6/otb+Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T02:53:47.769520Z"},"content_sha256":"4b9e1f8790c458ebbb982a1f38a83523cfcf831285102abf6306453bcb7856e7","schema_version":"1.0","event_id":"sha256:4b9e1f8790c458ebbb982a1f38a83523cfcf831285102abf6306453bcb7856e7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SUDUBHXJQWWDE3XQAHYRKPXKO6/bundle.json","state_url":"https://pith.science/pith/SUDUBHXJQWWDE3XQAHYRKPXKO6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SUDUBHXJQWWDE3XQAHYRKPXKO6/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-04T02:53:47Z","links":{"resolver":"https://pith.science/pith/SUDUBHXJQWWDE3XQAHYRKPXKO6","bundle":"https://pith.science/pith/SUDUBHXJQWWDE3XQAHYRKPXKO6/bundle.json","state":"https://pith.science/pith/SUDUBHXJQWWDE3XQAHYRKPXKO6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SUDUBHXJQWWDE3XQAHYRKPXKO6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:SUDUBHXJQWWDE3XQAHYRKPXKO6","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"b3540e89bfd463a959d01649f13ab9764804d5f2c76316b453a832deb58202cd","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2026-07-23T08:05:29Z","title_canon_sha256":"2c9d1a70dc2fcff64d211b6dc1885b54b5599246cdbf6a2baa45a245db355264"},"schema_version":"1.0","source":{"id":"2607.21021","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.21021","created_at":"2026-07-24T01:23:47Z"},{"alias_kind":"arxiv_version","alias_value":"2607.21021v1","created_at":"2026-07-24T01:23:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.21021","created_at":"2026-07-24T01:23:47Z"},{"alias_kind":"pith_short_12","alias_value":"SUDUBHXJQWWD","created_at":"2026-07-24T01:23:47Z"},{"alias_kind":"pith_short_16","alias_value":"SUDUBHXJQWWDE3XQ","created_at":"2026-07-24T01:23:47Z"},{"alias_kind":"pith_short_8","alias_value":"SUDUBHXJ","created_at":"2026-07-24T01:23:47Z"}],"graph_snapshots":[{"event_id":"sha256:4b9e1f8790c458ebbb982a1f38a83523cfcf831285102abf6306453bcb7856e7","target":"graph","created_at":"2026-07-24T01:23:47Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2607.21021/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"To meet the throughput demands of modern blockchain systems, protocols for State Machine Replication (SMR) increasingly have many processors disseminate blocks of transactions in parallel, with consensus then establishing a total ordering on the blocks of all producers. Such designs face a choice as to when a block may enter the ordering. Certified approaches wait for a quorum to attest a block's availability, which is robust but adds message delays to every transaction. Uncertified approaches let proposals reference blocks immediately, which is fast but degrades rapidly when referenced data m","authors_text":"Andrew Lewis-Pye, Patrick O'Grady","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2026-07-23T08:05:29Z","title":"Multimmit: Extending Blocks for Faster Finality"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.21021","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:b20be4b9a0f4041222d3747b90db92b7973b3e198128f3c80c3e027af0e2bab9","target":"record","created_at":"2026-07-24T01:23:47Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"b3540e89bfd463a959d01649f13ab9764804d5f2c76316b453a832deb58202cd","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.DC","submitted_at":"2026-07-23T08:05:29Z","title_canon_sha256":"2c9d1a70dc2fcff64d211b6dc1885b54b5599246cdbf6a2baa45a245db355264"},"schema_version":"1.0","source":{"id":"2607.21021","kind":"arxiv","version":1}},"canonical_sha256":"9507409ee985ac326ef001f1153eea77acf14fce6a3757f291b53103c07cde8d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9507409ee985ac326ef001f1153eea77acf14fce6a3757f291b53103c07cde8d","first_computed_at":"2026-07-24T01:23:47.749866Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-24T01:23:47.749866Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oUvPAjaTe6X6+xGfEfB6g6Tw6MUmFQ/8tYYemO3O13+SgaReak8CwKJDw0WlE0c6aMhiJlenRQcSDgbAeyTgAw==","signature_status":"signed_v1","signed_at":"2026-07-24T01:23:47.750707Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.21021","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b20be4b9a0f4041222d3747b90db92b7973b3e198128f3c80c3e027af0e2bab9","sha256:4b9e1f8790c458ebbb982a1f38a83523cfcf831285102abf6306453bcb7856e7"],"state_sha256":"4e5eeb033c39f2df2a82bd88e00d773a961e1e91aada06b0ab117001f96f00ff"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lXRLxFH167hauzLCJAGsZAytAKgYytqcTMvqj3g5UxDSCYrSME8zXQ1YEdqdjrqFIj9mUZh1TNE+Fu2J8FjkCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T02:53:47.772951Z","bundle_sha256":"2f2d2c3c4cc4d7880f3e89ff723ed09f17cf2cef002d2a39b645124fdebb151a"}}